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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Audio Hardware Question from a Linux newbie (sh.itjust.works)

submitted 11 months ago by [email protected] to c/[email protected]

6 comments fedilink hide all child comments

I’m a pretty new Linux user, started using a basic Mint installation on the old desktop I use as part of my stereo/tv setup. All in all couldnt be happier with how easy and flexible it’s been, but one little thing is bugging the crap out of me and I haven’t a clue how to fix.

This setup runs the computer audio through a mojo DAC over TOSLINK (eg optical audio) to an analog stereo amp. Getting it to work when I replaced Win 7 with Mint was plug and play - couldn’t have been easier. The super annoying thing is that it seems that now if the desktop is inactive for more than a few minutes the DAC powers down and needs to be turned on manually (fairly certain it’s when the OS goes to sleep but not sure). When I was running windows with same hardware it would not power down until I did it manually. With the wiring and furniture setup I have it’s kind of a PITA to reach back and turn the DAC on every time I want to use the computer.

I did some cursory internet searches on the issue without much luck. If one of you fine people can think of a solution, it even an avenue of investigation, I’d appreciate it. As I said, I’m new to Linux but not entirely tech illiterate so im willing to poke at it.

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[–] [email protected] 9 points 11 months ago

I'm not sure how to stop the DAC from shutting down when Mint goes to sleep, but maybe you can avoid the problem by making Mint not go to sleep in the first place? There's an option for it in the System Settings program, in the "power management" menu (under the "Hardware" heading).

Try doing that and see if the problem keeps happening. If it keeps happening, the DAC shutting down was probably caused by something else.